NeNe Leakes’ confrontation with Porsha Williamsabout allegedly refusing to work with her on the set of The Upshaws is being exposed for all to see. The Real Housewives of Atlanta former costars didn’t hold back while brawling back and forth in text messages that have since leaked, RadarOnline.comcan reveal. As this outlet reported, Leakes accused Williams of trying to sabotage her television career by allegedly telling Netflix producers she couldn’t work with NeNe due to “issues” they have after discovering they were set to appear alongside each other in the Mike Epps sitcom. Instead of coming…